Electrode Testing Parameter Dissolved Oxygen Measurement Range 0 to 200 Percent 0 to 40mg/L Tip Shape Bulb Operating Temp Range 32 Degrees to 212 Degrees F Body Material Polycarbonate Diameter 16mm Length 203 mm Cable Length 39 in Connector Proprietary Temp Sensor 0 Degrees to 50 Degrees C For Use With Extech DO700 Multifunction Water Quality Meter Shelf Life 1 yr Recommended Use Water Special Features Replaceable Membrane Includes Storage Bottle